
D
EVICE
A
LLOCATION OF
PID
M
ODULE
㩷
FC5A MicroSmart PID Module User’s Manual FC9Y
-B1283 5-7
㩷
Data Register Allocation - Block 0 Read Only Parameters
The CPU module reads the following parameters from the PID module and store them in the data registers
every scan.
Offset from
the Control
Register
Parameter
Description
R/W
0
Common PID Module Operating Status
0000h: Initialization
0001h: Normal operation
0002h: External power supply error
R
+1
CH0
Current Process Variable (PV)
When input is normal:
Value within the control range (see 9-4)
When input is invalid: Unknown value
R
㩷
+2
Current Heating Output
Manipulated Variable (MV)
Output manipulated variable lower limit to upper
limit
R
㩷
+3
Current Cooling Output
Manipulated Variable (MV)
Cooling output manipulated variable lower limit
to upper limit
R
㩷
+4
Current Set Point (SP)
When input is thermocouple or resistance
thermometer:
Set point (SP) lower limit to set point (SP)
upper limit
When input is voltage or current input:
Linear conversion min. to linear conversion
max.
R
㩷
+5
Current Step Remaining Time
0 to 6000 minutes/seconds
R
㩷
+6
Current Step Number
0 to 9
R
㩷
+7
Remaining Repeat Number
0 to 10000
R
㩷
+8
Reserved
0 (Fixed value)
R
㩷
+9
Operation Parameter Monitor
See 5-8 for detail about the operation parameter
monitor.
R
㩷
+10
Operating Status
See 5-9 for detail about the operating status.
R
㩷
+11
CH1
Current Process Variable (PV)
When input is normal:
Value within the control range (see 9-4)
When input is invalid: Unknown value
R
㩷
+12
Current Output Manipulated
Variable (MV)
Output manipulated variable lower limit to
upper limit
R
㩷
+13
Current Set Point (SP)
When input is thermocouple or resistance ther-
mometer:
Set point (SP) lower limit to set point (SP)
upper limit
When input is voltage or current input:
Linear conversion min. to linear conversion
max.
R
㩷
+14
Current Step Remaining Time
0 to 6000 minutes/seconds
R
㩷
+15
Current Step Number
0 to 9
R
㩷
+16
Remaining Repeat Number
0 to 10000
R
㩷
+17
Reserved
0 (Fixed value)
R
㩷
+18
Operation Parameter Monitor
See 5-8 for detail about the operation
parameter monitor.
R
㩷
+19
Operating Status
See 5-9 for detail about the operating status.
R
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: [email protected]